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气动调节阀阀门定位器选型指南

发布时间:2019-09-23 关注次数:

DIAOJIEFADINGWEIQISHIDIAOJIEFADEZHUYAOFUJIAN,TONGCHANGYUQIDONGDIAOJIEFAPEITAOSHIYONG,TAJIESHOUDIAOJIEQIDESHUCHUXINHAO,RANHOUYITADESHUCHUXINHAOQUKONGZHIQIDONGDIAOJIEFA,DANGDIAOJIEFADONGZUOHOU,FAGANDEWEIYIYOUTONGGUOJIXIEZHUANGZHIFANKUIDAOFAMENDINGWEIQI,FAWEIZHUANGKUANGTONGGUODIANXINHAOCHUANJISHANGWEIXITONG。ZAIZHONGDUODEKONGZHIYINGYONGCHANGHEZHONG,FAMENDINGWEIQISHIDIAOJIEFAZHONGYAODEFUJIANZHIYI。YOUQISHIDUIYUMOUGETEDINGDEYINGYONGCHANGHE,RUGUOYAOXUANZEYIGESHIYONGDEFAMENDINGWEIQI,NEIMEJIUYINGZHUYIKAOLVXIALIEYINSU:

阀门定位器能否实现“分程(Split_ranging)”实现“分程”是否容易、方便?具备“分程”功能就意味着阀门定位器只对输入信号的某个范围 (如:4~12mA或0.02~0.06MPaG)有响应。因此,如果能“分程”的话,就可以根据实际需要,只用一个输入信号实现先后控制两台或多台调节阀。

调节阀

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